feat: Initial clean release of CHM

packages/plugin-repo-cli/README.md

@@ -0,0 +1,15 @@
+# plugin-repo-cli
+
+This tool is used to build the plugin repository at https://github.com/joplin/plugins
+
+## Testing
+
+To test the tool with existing packages, the best is to:
+
+- Create a separate copy of the plugin repo
+- Reset back a few commits
+- Run with the --dry-run option: `plugin-repo-cli build ~/src/joplin-plugins-test/ --dry-run`
+
+## Publishing
+
+To publish it, run `npm run publishAll` from the root.